Jenson Button and Fernando Alonso will have use of an upgraded Honda Formula 1 engine at the Canadian Grand Prix, after the Japanese manufacturer confirmed it will be introducing a performance step this weekend.
Ferrari has used three tokens while Honda has elected to use two tokens.
It is unclear in which area Honda has elected to use its tokens, but it will likely be revealed in official FIA documentation over the Canada weekend.
Honda’s F1 engine chief Yasuhisa Arai said in Monaco that his company was mindful of the horsepower requirements needed for Canada.
It is those demands that could have prompted the push to bring in tokens earlier than originally expected.
"Canada is a power circuit, so we need more power," he said. "But it is also a heavy stopping circuit, so braking and energy recovery is very important.
"I know that we need more power, but it is not so easy to get that. So it is how to deliver the MGU-K power for that kind of high-speed circuit.”